Research Article

Study on the Applicability of Elastic Recovery (Resilience) Experiment for Asphalt-Rubber

Table 3

Classification standard of road surface roughness in ISO/TC 108/SCN67.

Road surface gradesG0 × 10−6(m2.c.m−1)
Lower limitUpper limitGeometric average

A83216
B3212864
C128512256
D51220481024
E204881924096
F81923276816384
G3276865536131072
H131072262144524288